LED Reflective Vest, RICHELE USB Rechargeable High Visibility Safety Adjustable LED Reflective Gear Vest for Outdoor Sports Running Walking Jogging Cycling Made of high quality nylon coated fabric and led electronic, visible from over 1000 feet. Fully size adjustable, can be adjustable in the waist and shoulders. Fully rechargeable. Can be charged by USB. Can work 6-8 hours of illumination per 2 hours charge. 3 flashing mode: light lighting/quick flashing/ slow flashing. Lightweight and comfortable, fit for women, men and kids. Dimension: Waistline 100cm x Length 50 cm